finally, if anyone needs, here is one which logs on to a remote host as yourself then su to root then run as many commands you wish..... saves output in log you can later use.
#!/usr/bin/perl # see http://perlmonks.org/?node_id=890441 use strict; use warnings; use Net::OpenSSH; use Expect; $Expect::Exp_Internal = 1; @ARGV == 2 or die <<EOU; Usage: $0 host user_passwd EOU my $host = $ARGV[0]; my $pass1 = $ARGV[1]; my $ssh = Net::OpenSSH->new($host, passwd => $pass1); $ssh->error and die "unable to connect to remote host: " . $ssh->error; #$ssh->system("sudo -k"); my ( $pty, $pid ) = $ssh->open2pty({stderr_to_stdout => 1}, '/usr/local/bin/sudo', -p => 'runasroot:', 'su', '-') or return "failed to attempt su: $!\n"; my $expect = Expect->init($pty); $expect->log_file("expect.pm_log", "w"); my @cmdlist =("ls -l","pwd","ls","who am i","id","whoami"); foreach my $cmd (@cmdlist){ $expect->expect(2, [ qr/runasroot:/ => sub { shift->send("$pass1\n");} ], #use pass2 if using only su [ qr/Sorry/ => sub { die "Login failed" } ], [ qr/#/ => sub { shift->send("$cmd \n");}] ) or die "___Timeout!"; } $expect->expect(2); ________________________________ From: Rajeev Prasad <rp.ne...@yahoo.com> To: perl list <beginners@perl.org> Sent: Friday, January 20, 2012 4:26 PM Subject: Re: Net::Openssh and sudo? made some progress: version 3 following is working but it keep running the ls -l in loop, i have to ctrl+C it !!!! #!/usr/bin/perl # see http://perlmonks.org/?node_id=890441 use strict; use warnings; use Net::OpenSSH; use Expect; $Expect::Exp_Internal = 1; @ARGV == 2 or die <<EOU; Usage: $0 host user_passwd EOU my $host = $ARGV[0]; my $pass1 = $ARGV[1]; my $ssh = Net::OpenSSH->new($host, passwd => $pass1); $ssh->error and die "unable to connect to remote host: " . $ssh->error; #$ssh->system("sudo -k"); my ( $pty, $pid ) = $ssh->open2pty({stderr_to_stdout => 1}, '/usr/local/bin/sudo', -p => 'runasroot:', 'su', '-') or return "failed to attempt su: $!\n"; my $expect = Expect->init($pty); $expect->log_file("expect.pm_log", "w"); $expect->expect(2, [ qr/runasroot:/ => sub { shift->send("$pass1\n"); exp_continue;} ], #use pass2 if using only su [ qr/Sorry/ => sub { die "Login failed" } ], [qr/#/ => sub { shift->send("ls -l\n"); exp_continue;}] ) or die "___Timeout!"; __END__ ________________________________ From: Rajeev Prasad <rp.ne...@yahoo.com> To: perl list <beginners@perl.org> Sent: Friday, January 20, 2012 4:14 PM Subject: Re: Net::Openssh and sudo? found following which is working to the point where i can get to the root prompt, but not sure why any command after that is not working???? can anyone give any hint? thank you. CODE: #!/usr/bin/perl # see http://perlmonks.org/?node_id=890441 use strict; use warnings; use Net::OpenSSH; use Expect; #$Expect::Exp_Internal = 1; @ARGV == 2 or die <<EOU; Usage: $0 host user_passwd EOU my $host = $ARGV[0]; my $pass1 = $ARGV[1]; my $ssh = Net::OpenSSH->new($host, passwd => $pass1); $ssh->error and die "unable to connect to remote host: " . $ssh->error; #$ssh->system("sudo -k"); my ( $pty, $pid ) = $ssh->open2pty({stderr_to_stdout => 1}, '/usr/local/bin/sudo', -p => 'runasroot:', 'su', '-') or return "failed to attempt su: $!\n"; my $expect = Expect->init($pty); $expect->log_file("expect.pm_log", "w"); $expect->expect(2, [ qr/runasroot:/ => sub { shift->send("$pass1\n");} ], #use pass2 if using only su [ qr/Sorry/ => sub { die "Login failed" } ]); $expect->send("\n\n\n"); $expect->expect(2,[ qr/#/ => sub { shift->send("ls -l\n");} ]) #use pass2 if using only su in above the ls command is not working.... if i do exp interactive that works fine.... ________________________________ From: Rajeev Prasad <rp.ne...@yahoo.com> To: perl list <beginners@perl.org> Sent: Friday, January 20, 2012 1:10 PM Subject: Net::Openssh and sudo? hello, using Net::Openssh how can i use sudo to become some other user (say root) on a target machine and then execute a series of commands as root? i looked and tried to use the expect example given on Net::Openssh page but could not make it to work. my $myssh = Net::OpenSSH->new($host, port => $SSHPORT, user => $USER, password => $PASS,) now how can i execute a sudo on this, thus becoming a different user and, then execute bunch of commands on this handle? please advice. thank you. Rajeev -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
